Open source focus
Open Source Alternatives to Cyber50
60 open source Cybersecurity options similar to Cyber50, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Expel66CybersecurityHerndon, United States$267.8MOpen source
- ExploitcheckCybersecurity
Open source
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
Intezer63EnterpriseTel Aviv, Israel$58.0MOpen source
LogRhythm62CybersecurityBoulder, United States$90.0MOpen source
VulnCheck60CybersecurityLexington, United States$41.8MOpen source
Backslash Security57CybersecurityTel Aviv, Israel$27.0MOpen source
Mobb55CybersecurityTel Aviv, Israel$5.4MOpen source
HoneyHive55CybersecuritySan Francisco, United States$10.0MOpen source
Secdo55EnterpriseNew York City, United States$11.0MOpen source
- TRTruffle Security47CybersecuritySan Francisco, United States$30.0M
Open source
CyberGuard AI47CybersecurityDurham, United Kingdom$1.0BOpen source
MalantAI46CybersecurityTel Aviv, IsraelOpen source
Hacktron AI Inc.46CybersecuritySan Francisco, United States$1.0MOpen source
Antithesis46CybersecuritySan Francisco, United States$117.5MOpen source
OWASP37CybersecurityRaleigh, USAOpen source · Self-hostable
SOC Prime36CybersecurityBoston, United States$21.5MOpen source
TandemTrace35Agentic AIOpen source
Secuvy32CybersecurityOttawa, CanadaOpen source
Bell Cyber28CybersecurityTel Aviv, IsraelOpen source
Controlsecurity18CybersecurityTel Aviv, IsraelOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
0sec11CybersecurityTel Aviv, IsraelOpen source · Self-hostable
KernelscanCybersecurityOpen source · Self-hostable
Forter85FintechNew York, United States$550.0MOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Mandiant68CybersecurityReston, United States$220.0MOpen source
Corelight67Network SecuritySan Francisco, United States$284.2MOpen source
Protect AI64CybersecuritySeattle, United States$105.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
Nagomi Security63CybersecuritySan Francisco, United States$30.0MOpen source
CertiK63Web3New York, United States$241.5MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Demisto62EnterpriseSan Francisco, United States$69.0MOpen source
Artemis Global Technologies62CybersecuritySan Francisco, United States$85.0MOpen source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MOpen source
Cribl61Data ManagementSan Francisco, USA$715.4MOpen source
FingerprintJS61Customer ServiceSan Francisco, United States$87.0MOpen source
Red Canary61CybersecurityDenver, United States$90.0MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Intruder60CybersecurityLondon, United Kingdom$63.0MOpen source
Netography60CybersecurityColumbia, United States$35.0MOpen source
Probo59SMB SoftwareTel Aviv, Israel$2.5MOpen source · Self-hostable
Netskope58CybersecuritySanta Clara, United States$1.5BOpen source
JupiterOne57CybersecurityCary, USA$3.0MOpen source
ARMO57EnterpriseTel Aviv, Israel$34.5MOpen source · Self-hostable
Boost Security57CybersecuritySan Francisco, USA$12.0MOpen source
Ray Security57EnterpriseSan Francisco, United States$11.0MOpen source
Token Security57EnterpriseSan Francisco, United States$27.0MOpen source
Tamnoon57EnterpriseTel Aviv, Israel$17.1MOpen source
MANIFEST56LegalNew York, United States$23.0MOpen source
Dymium55Data PlatformSan Francisco, United States$7.0MOpen source
- CYCyber Apex Solutions55Cybersecuritynull, US
Open source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Expel | Cybersecurity | Open source | Herndon, United States | $267.8M | 66 |
| Cybersecurity | Open source | — | — | — | |
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 |
| Intezer | Enterprise | Open source | Tel Aviv, Israel | $58.0M | 63 |
| LogRhythm | Cybersecurity | Open source | Boulder, United States | $90.0M | 62 |
| VulnCheck | Cybersecurity | Open source | Lexington, United States | $41.8M | 60 |
| Backslash Security | Cybersecurity | Open source | Tel Aviv, Israel | $27.0M | 57 |
| Mobb | Cybersecurity | Open source | Tel Aviv, Israel | $5.4M | 55 |
| HoneyHive | Cybersecurity | Open source | San Francisco, United States | $10.0M | 55 |
| Secdo | Enterprise | Open source | New York City, United States | $11.0M | 55 |
| TRTruffle Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 47 |
| CyberGuard AI | Cybersecurity | Open source | Durham, United Kingdom | $1.0B | 47 |
| MalantAI | Cybersecurity | Open source | Tel Aviv, Israel | — | 46 |
| Hacktron AI Inc. | Cybersecurity | Open source | San Francisco, United States | $1.0M | 46 |
| Antithesis | Cybersecurity | Open source | San Francisco, United States | $117.5M | 46 |
| OWASP | Cybersecurity | Open source · Self-hostable | Raleigh, USA | — | 37 |
| SOC Prime | Cybersecurity | Open source | Boston, United States | $21.5M | 36 |
| TandemTrace | Agentic AI | Open source | — | — | 35 |
| Secuvy | Cybersecurity | Open source | Ottawa, Canada | — | 32 |
| Bell Cyber | Cybersecurity | Open source | Tel Aviv, Israel | — | 28 |
| Controlsecurity | Cybersecurity | Open source | Tel Aviv, Israel | — | 18 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| 0sec | Cybersecurity | Open source · Self-hostable | Tel Aviv, Israel | — | 11 |
| Kernelscan | Cybersecurity | Open source · Self-hostable | — | — | — |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 |
| Mandiant | Cybersecurity | Open source | Reston, United States | $220.0M | 68 |
| Corelight | Network Security | Open source | San Francisco, United States | $284.2M | 67 |
| Protect AI | Cybersecurity | Open source | Seattle, United States | $105.0M | 64 |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 |
| Nagomi Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 63 |
| CertiK | Web3 | Open source | New York, United States | $241.5M | 63 |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 |
| Demisto | Enterprise | Open source | San Francisco, United States | $69.0M | 62 |
| Artemis Global Technologies | Cybersecurity | Open source | San Francisco, United States | $85.0M | 62 |
| Seemplicity | Enterprise | Open source | Tel Aviv, Israel | $182.0M | 61 |
| Cribl | Data Management | Open source | San Francisco, USA | $715.4M | 61 |
| FingerprintJS | Customer Service | Open source | San Francisco, United States | $87.0M | 61 |
| Red Canary | Cybersecurity | Open source | Denver, United States | $90.0M | 61 |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 |
| Intruder | Cybersecurity | Open source | London, United Kingdom | $63.0M | 60 |
| Netography | Cybersecurity | Open source | Columbia, United States | $35.0M | 60 |
| Probo | SMB Software | Open source · Self-hostable | Tel Aviv, Israel | $2.5M | 59 |
| Netskope | Cybersecurity | Open source | Santa Clara, United States | $1.5B | 58 |
| JupiterOne | Cybersecurity | Open source | Cary, USA | $3.0M | 57 |
| ARMO | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $34.5M | 57 |
| Boost Security | Cybersecurity | Open source | San Francisco, USA | $12.0M | 57 |
| Ray Security | Enterprise | Open source | San Francisco, United States | $11.0M | 57 |
| Token Security | Enterprise | Open source | San Francisco, United States | $27.0M | 57 |
| Tamnoon | Enterprise | Open source | Tel Aviv, Israel | $17.1M | 57 |
| MANIFEST | Legal | Open source | New York, United States | $23.0M | 56 |
| Dymium | Data Platform | Open source | San Francisco, United States | $7.0M | 55 |
| CYCyber Apex Solutions | Cybersecurity | Open source | null, US | — | 55 |